Medical Imaging: X-Rays, CT, MRI, Ultrasound, and Virtual RealityThis comprehensive overview assesses a number of noninvasive ways to look inside the human body.(38 minutes)
Segment one addresses the limitations of X-ray and fluoroscopic technologies and introduces computed tomography, magnetic resonance imaging, and ultrasound. Segment two describes how images are digitized and discusses the practical difficulties in achieving a clear image. Segment three demonstrates how computers can be used to enhance image definition. And segment four features two virtual reality programs that allow medical students to practice performing a craniotomy to remove a tumor and percutaneous rhizotomy to treat trigeminal neuralgia.
